45.0 degrees by 0.047 in deep chamfer on edge of both sides
A transparent item of a predetermined size that permits unobstructed and undistorted view of a desired area. It may include a frame, have reference markings, grid lines and may be heat strengthened and/or tinted. It is generally used where safety, security, and/or the restriction of foreign matter are required, such as the visual examination of the inside of pressurized tanks, liquid sights, controlled liquid flow, and inspection of equipment enclosed in a housing. See window (as modified); scale, cathode ray tube; scale, plotting; window, metal; window, wood; and window panel, aircraft.
Classification: Pressed or molded glass articles, wired or not, for building or construction;leaded glass windows etc; formed multicellular or foam glass
NSN 6610-00-419-0315
NSN 5935-01-394-2668
NSN 5905-01-406-7699
NSN 2925-00-767-4245
NSN 6320-01-092-4101
NSN 5965-00-407-4828
NSN 5920-01-382-3746
NSN 5855-01-291-6790
NSN 5915-01-089-6694
NSN 5996-01-359-9931
NSN 6650-01-100-9964
NSN 5915-00-499-9054